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<A NAME="CAIBIGBC"></A><h1>About PowerBuilder</h1>
<A NAME="TI68"></A><p>PowerBuilder is an object-centric graphical application development environment.
Using PowerBuilder, you can easily develop many types of applications
and components. PowerBuilder provides all the tools you need to
build enterprise systems, such as order entry, accounting, and manufacturing
systems.</p>
<A NAME="TI69"></A><h4>Two-tier applications </h4>
<A NAME="TI70"></A><p>PowerBuilder
applications can be traditional graphical client/server
two-tier applications that access server databases. A traditional
client/server application is a collection of windows that
contain controls that users can interact with. You can use standard
controls&#8212;such as buttons, check boxes, drop-down lists, and
edit controls&#8212;as well as special PowerBuilder controls
that make your applications easy to develop and easy to use.</p>
<A NAME="TI71"></A><h4>Multitier applications </h4>
<A NAME="TI72"></A><p>You can also
build multitier applications with PowerBuilder. A multitier application
usually has a client application that requests services from a server application
or component. For example, your client application could request services
from a PowerBuilder component on an application server. The server component
often requests services from a server database and/or other
server components.</p>
<A NAME="TI73"></A><h4>Web applications</h4>
<A NAME="TI74"></A><p>PowerBuilder
applications can also be Web based. You can create a new Web-based
application for the Internet or Intranet, or adapt or extend an existing
PowerBuilder application for the Web.</p>

